| Value | Category | Cases | |
|---|---|---|---|
| 8 | 2 |
5.7%
|
|
| 10 | 7 |
20%
|
|
| 12 | 1 |
2.9%
|
|
| 15 | 7 |
20%
|
|
| 20 | 8 |
22.9%
|
|
| 25 | 7 |
20%
|
|
| 30 | 3 |
8.6%
|
|
| Sysmiss | 30 |